// Load a chunk from its NBT representation
func loadChunk(reader io.Reader) (chunk *Chunk, err os.Error) {
level, err := nbt.Read(reader)
if err != nil {
return
}
chunk = &Chunk{
X: ChunkCoord(level.Lookup("/Level/xPos").(*nbt.Int).Value),
Z: ChunkCoord(level.Lookup("/Level/zPos").(*nbt.Int).Value),
Blocks: level.Lookup("/Level/Blocks").(*nbt.ByteArray).Value,
BlockData: level.Lookup("/Level/Data").(*nbt.ByteArray).Value,
SkyLight: level.Lookup("/Level/SkyLight").(*nbt.ByteArray).Value,
BlockLight: level.Lookup("/Level/BlockLight").(*nbt.ByteArray).Value,
HeightMap: level.Lookup("/Level/HeightMap").(*nbt.ByteArray).Value,
players: make(map[EntityID]*Player),
}
return
}
func loadStartPosition(worldPath string) {
file, err := os.Open(path.Join(worldPath, "level.dat"), os.O_RDONLY, 0)
if err != nil {
log.Exit("loadStartPosition: ", err.String())
}
level, err := nbt.Read(file)
file.Close()
if err != nil {
log.Exit("loadStartPosition: ", err.String())
}
pos := level.Lookup("/Data/Player/Pos")
StartPosition = XYZ{
pos.(*nbt.List).Value[0].(*nbt.Double).Value,
pos.(*nbt.List).Value[1].(*nbt.Double).Value,
pos.(*nbt.List).Value[2].(*nbt.Double).Value,
}
}